File: pf2.stp

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systemtap 4.8-2
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#! /usr/bin/env stap

global profile%, pcount
probe timer.profile {
  pcount <<< 1
  fn = user_mode() ? "<user>" : symname(addr())
  if (fn != "") profile[fn] <<< 1
}
probe timer.ms(5000) {
  printf ("\n--- %d samples recorded:\n", @count(pcount))
  foreach (f in profile- limit 10) {
    printf ("%-30s\t%6d\n", f, @count(profile[f]))
  }
  delete profile
  delete pcount
}